![](https://66.media.tumblr.com/705a0634212f53750bf5baecbd0cebe4/tumblr_pgipz69Mcu1w6mx58_640.jpg)
an evening grosbeak with overly yellow coloration – possibly xanthochromism, which is an overproduction of yellow pigment.
(x)
an evening grosbeak with overly yellow coloration – possibly xanthochromism, which is an overproduction of yellow pigment.
(x)